In 2019, King County, WA had a population of 2.25M people with a median age of 36.9 and a median household income of $102,594. Between 2018 and 2019 the population of King County, WA grew from 2.23M to 2.25M, a 0.879% increase and its median household income grew from $95,009 to $102,594, a 7.98% increase.
The 5 largest ethnic groups in King County, WA are White (Non-Hispanic) (57.8%), Asian (Non-Hispanic) (18.8%), Black or African American (Non-Hispanic) (6.56%), Two+ (Non-Hispanic) (5.31%), and White (Hispanic) (4.28%). 29.5% of the households in King County, WA speak a non-English language at home as their primary language, and 86.5% of the residents in King County, WA are U.S. citizens.
In 2019, the median property value in King County, WA was $643,000, and the homeownership rate was 56.3%. Most people in King County, WA drove alone to work, and the average commute time was 28 minutes. The average car ownership in King County, WA was 2 cars per household.